相关实验视频
Updated: Feb 8, 2026

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Reducing State Anxiety Using Working Memory Maintenance
Published on: July 19, 2017
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焦虑使时间过得更快:神经相关联:神经相关联
I Sarigiannidis1, K Kieslich1, C Grillon2
1UCL Institute of Cognitive Neuroscience, University College London, London, UK.
Social cognitive and affective neuroscience
|February 7, 2026
概括
焦虑通过过载神经认知资源来加快时间感知,特别是在中皮层. 这个大脑区域可能会调解焦虑如何影响我们的时间感.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 精神病学是一个精神病学.
背景情况:
- 焦虑可以通过消耗有限的神经认知资源来损害认知处理.
- 以前的研究表明,焦虑导致时间低估,这表明时间感知发生了变化.
研究的目的:
- 为了研究焦虑和时间处理之间的神经重叠.
- 为了确定焦虑是否过载了参与时间感知的神经认知系统,特别是带带皮质皮质.
主要方法:
- 两项研究 (N=13,N=29) 结合了焦虑诱导 (冲击的威胁) 和时切割任务.
- 功能磁共振成像 (fMRI) 用于监测任务期间的大脑活动.
主要成果:
- 诱导焦虑导致时间更快地流逝的感觉.
- 在焦虑诱导期间观察到带带皮层广泛激活.
- 结合分析显示,对于焦虑和时间处理,胰岛和中 cingulate 皮质的激活重叠.
结论:
- 研究结果支持这样一个假设:焦虑会使神经资源过度负载,而这些神经资源参与时间处理.
- 过载中皮质可能是驱动时间感知中焦虑相关变化的关键机制.
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